$MEMP is one of biggest losers #stocks today. read more:

Memorial Production Partners LP (symbol: MEMP) was one of the worst losers
of the trading day today (2015-08-03), losing -14.46%. The number of shares
that changed hands was 2,539,801, or about 3 times the average daily volume
in the stock.
The closing price was $8.93, amounting to a market cap of $750,270,000,
about -62.54% off the highest price in the last 12 months. The stock has
been trading at a range between $8.7 and $23.84.
MEMP is in the Oil & Gas Production industry, part of the Energy sector. It
first went public in 2011.